Daily Practice

Foundation

30th January 1968

5 questions · 10 marks · Grades 3-4 · 87 question types in this band

1
Probability (Higher)3 marks
A biased coin lands on heads with probability 0.15. It is thrown 250 times. How many heads would you expect?
2
Stem and Leaf2 marks
A stem and leaf diagram has a single stem 6 with the leaves 2, 3, 7, 8, 9. Work out the median of the five values.
3
Estimating2 marks
Estimate 457 x 31 by rounding each number to 1 significant figure.
4
Substitution2 marks
Work out the value of 2x + 8 when x = -3.
5
Conversions and Units1 mark
Convert 75 cm into mm.

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